Java自定义打印机
时间: 2023-09-20 21:02:59 浏览: 48
要自定义Java打印机,可以使用Java打印服务API(javax.print包)来实现。下面是一个简单的Java打印机示例代码:
```java
import javax.print.*;
import javax.print.attribute.HashPrintRequestAttributeSet;
import javax.print.attribute.PrintRequestAttributeSet;
import javax.print.attribute.standard.Copies;
import javax.print.attribute.standard.MediaPrintableArea;
import javax.print.attribute.standard.MediaSizeName;
import java.awt.print.PageFormat;
import java.awt.print.Printable;
import java.awt.print.PrinterException;
import java.awt.print.PrinterJob;
public class CustomPrinter implements Printable {
@Override
public int print(Graphics graphics, PageFormat pageFormat, int pageIndex) throws PrinterException {
if (pageIndex > 0) {
return Printable.NO_SUCH_PAGE;
}
// 绘制打印内容
Graphics2D g2d = (Graphics2D) graphics;
g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
g2d.drawString("Hello, World!", 0, 0);
return Printable.PAGE_EXISTS;
}
public static void main(String[] args) {
// 获取默认打印机
PrinterJob printerJob = PrinterJob.getPrinterJob();
PrintService printService = printerJob.getPrintService();
// 设置打印参数
PrintRequestAttributeSet printRequestAttributeSet = new HashPrintRequestAttributeSet();
printRequestAttributeSet.add(new Copies(1));
printRequestAttributeSet.add(new MediaPrintableArea(0,0,200,200,MediaPrintableArea.MM));
printRequestAttributeSet.add(MediaSizeName.ISO_A4);
// 设置打印内容
CustomPrinter customPrinter = new CustomPrinter();
// 开始打印
try {
printerJob.setPrintService(printService);
printerJob.setPrintable(customPrinter);
printerJob.print(printRequestAttributeSet);
} catch (PrinterException e) {
e.printStackTrace();
}
}
}
```
这个示例代码实现了一个自定义的打印机,它会打印一行简单的文本“Hello, World!”。你可以根据自己的需要修改打印内容和打印参数来自定义打印机。